Pure organic cotton keeps your baby comfy and safe while sleeping. The patented 2-in-1 swaddle band attached to the wearable blanket allows your baby to be swaddled with arms in, or arms out as a transition out of swaddling. Pure organic cotton interlock. Fits newborns 6-12 pounds, 19"-23". Satin stitch back is best embroidery on front. Replaces loose blankets in the crib. The SleepSack(R) has a zipper front closure. Adjustable Velcro(R) closure on front band for safe, secure swaddling. Inverted zipper for easy diaper changes. Machine wash. Imported.